WO2022228078A1 - Procédé et appareil de transmission de données, système, et dispositif de communication - Google Patents

Procédé et appareil de transmission de données, système, et dispositif de communication Download PDF

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Publication number
WO2022228078A1
WO2022228078A1 PCT/CN2022/085653 CN2022085653W WO2022228078A1 WO 2022228078 A1 WO2022228078 A1 WO 2022228078A1 CN 2022085653 W CN2022085653 W CN 2022085653W WO 2022228078 A1 WO2022228078 A1 WO 2022228078A1
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WIPO (PCT)
Prior art keywords
message
address
management
information
channel
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PCT/CN2022/085653
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English (en)
Chinese (zh)
Inventor
王敏学
韩柳燕
陆荣舵
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2022228078A1 publication Critical patent/WO2022228078A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a data transmission method, apparatus, system and communication device.
  • IP Internet Protocol
  • DCN Data Communication Network
  • Embodiments of the present application provide a data transmission method, apparatus, system, and communication device.
  • an embodiment of the present application provides a data transmission method, the method comprising:
  • the first device sends a first message to the second device through a FlexE (FlexE, Flex Ethernet), a Metro Transport Network (MTN, Metro Transport Network) or an SPN overhead frame; the first message includes a DCN channel identifier and a Information about the device going online;
  • FlexE FlexibleE, Flex Ethernet
  • MTN Metro Transport Network
  • SPN SPN overhead frame
  • the first device receives, through the second device, a third message from a third device, where the third message includes a management IP address allocated by the third device to the first device;
  • the first device accesses the data communication network based on the management IP address.
  • the relevant information for the device going online includes at least one of the following: a media access control (MAC, Media Access Control) address of the device, a system name, system description information, an internet protocol Version 6 (IPv6, Internet Protocol Version 6) management addresses, Internet Protocol version 4 (IPv4, Internet Protocol version 4) management addresses.
  • MAC media access control
  • IPv6 Internet Protocol Version 6
  • IPv4 Internet Protocol version 4
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the first message is transmitted through the fourth code block and the fifth code block in the overhead frame.
  • the method further includes:
  • the first device receives an instruction from the third device, and switches the second channel to transmit the DCN message based on the instruction.
  • the method before the first device receives the instruction from the third device, the method further includes: the first device sends a message to the third device with the second device Channel-related confirmation messages.
  • the method further includes: when the first device detects that the second channel is invalid or deleted, switching to the first channel to transmit the DCN message.
  • an embodiment of the present application further provides a data transmission method, the method comprising:
  • the second device receives the first message from the first device; the first message is carried by the FlexE, MTN or SPN overhead frame; the first message includes the DCN channel identifier and related information for the device going online;
  • the second device generates a second message based on the identification information of the second device, the related information for the device going online, and the neighbor information related to the first device, and sends the second message to the third device;
  • the second device receives a third message from the third device, and forwards the third message to the first device, where the third message includes the allocation by the third device to the first device
  • the management IP address is used for the first device to access the data communication network.
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the method further includes: the second device judging whether the first device is a registered neighbor node; if the first device is a registered neighbor node, obtaining Neighbor information related to the first device.
  • the method further includes: if the first device is an unregistered neighbor node, assigning a neighbor identifier to the first device, and generating a neighbor related to the first device information;
  • the neighbor information includes at least one of the following: the port index of the second device, the index of the first device, the first device identifier, the connection port identifier of the first device, the first device.
  • the IP address of the device the IPv6 management address of the first device, the IPv4 management address of the first device, the system name of the first device, and the system description information of the first device.
  • the relevant information for the device going online includes at least one of the following: the device's MAC address, system name, system description information, IPv6 management address, and IPv4 management address.
  • an embodiment of the present application further provides a data transmission method, the method comprising:
  • the third device receives a second message from the second device, where the second message includes: the identification information of the second device, the related information corresponding to the first device and used for the device to go online and related to the first device neighbor information;
  • the third device assigns a management IP address to the first device, and sends a third message including the management IP address to the first device through the second device, where the management IP address is used for the The first device is connected to the data communication network.
  • the second message further includes a channel identifier.
  • the third device assigns a management IP address to the first device, including:
  • the third device determines an area range to which the second device belongs according to the identification information of the second device, and allocates a management IP address to the first device from a corresponding management IP address set according to the area range.
  • the relevant information for the device going online includes at least one of the following: the device's MAC address, system name, system description information, IPv6 management address, and IPv4 management address.
  • the neighbor information related to the first device includes at least one of the following: a port index of the second device, an index of the first device, an identifier of the first device, The connection port identifier of the first device, the IP address of the first device, the IPv6 management address of the first device, the IPv4 management address of the first device, the system name of the first device, the System description information of the first device.
  • the method further includes: receiving, by the third device, an acknowledgement message related to the second channel from the first device; sending an acknowledgement message to the first device based on the acknowledgement message.
  • a device sends an instruction, where the instruction is used by the first device to switch the first channel to transmit the DCN message.
  • an embodiment of the present application further provides a data transmission apparatus, the apparatus includes: a first communication unit and an access unit; wherein,
  • the first communication unit is configured to send a first message to the second device through a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and related information for the device going online; it is also configured to send a first message to the second device through the The second device receives a third message from a third device, where the third message includes a management IP address assigned by the third device to the first device;
  • the access unit is configured to access the data communication network based on the management IP address.
  • an embodiment of the present application further provides a data transmission device, the device includes: a second communication unit, a first processing unit, and a third communication unit; wherein,
  • the second communication unit is configured to receive a first message from a first device; the first message is carried by a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and related information for the device going online information;
  • the first processing unit configured to generate a second message based on the identification information of the second device, the related information for the device going online, and the neighbor information related to the first device;
  • the third communication unit is configured to send a second message to the third device; and is further configured to receive a third message from the third device, where the third message includes that the third device is the third device.
  • the second communication unit is further configured to forward the third message to the first device.
  • an embodiment of the present application further provides a data transmission device, the device includes: a fourth communication unit and an allocation unit; wherein,
  • the fourth communication unit is configured to receive a second message from the second device, where the second message includes: identification information of the second device, relevant information corresponding to the first device for the device to go online, and neighbor information related to the first device;
  • the assigning unit configured to assign a management IP address to the first device; the management IP address is used for the first device to access a data communication network;
  • the fourth communication unit is further configured to send a third message including the management IP address to the first device through the second device.
  • an embodiment of the present application further provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the aforementioned first aspect, second aspect or third aspect of the embodiment of the present application the steps of the method.
  • an embodiment of the present application further provides a communication device, including a memory, a processor, and a computer program stored in the memory and running on the processor, and the processor implements the implementation of the present application when the processor executes the program Examples are the steps of the method described in the first aspect, the second aspect or the third aspect.
  • the data transmission method, apparatus, system, and communication device provided in the embodiments of the present application include: a first device sends a first message to a second device through a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel Identification and related information for the device going online; receiving a third message from a third device through the second device, where the third message includes the management IP address assigned by the third device to the first device; The data communication network is accessed based on the management IP address.
  • the first device transmits the relevant information for the device going online through the FlexE, MTN, or SPN overhead frame, and transmits it to the third device (ie, the management and control system) through the second device, and the third device ( That is, the management and control system) allocates a management IP address to the first device, and transmits the allocated management IP address to the first device through the second device, and the first device can access the data communication network (DCN) based on the management IP address.
  • a device automatically obtains a management IP address, and automatically accesses a data communication network (DCN) based on the management IP address.
  • FIG. 1a and FIG. 1b are schematic diagrams of a system architecture to which a data transmission method according to an embodiment of the present application is applied;
  • FIG. 2 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present application.
  • FIG. 3 is a second schematic flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 4 is a third schematic flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 5 is an example diagram of a management IP address in a data transmission method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram 1 of a composition structure of a data processing apparatus according to an embodiment of the present application.
  • FIG. 7 is a second schematic diagram of the composition and structure of a data processing apparatus according to an embodiment of the present application.
  • FIG. 8 is a third schematic diagram of the composition and structure of a data processing apparatus according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a hardware structure of a communication device according to an embodiment of the present application.
  • FIG. 1a and FIG. 1b are schematic diagrams of the system architecture of the application of the data transmission method according to the embodiment of the application; as shown in FIG. 1a, the network may include a management and control system, an access device, one or more online devices, and one or more pending devices.
  • the access equipment can be connected to the management and control system through DCN (or external DCN).
  • the online device and the device to be online are both access devices in the network. The difference is that the online device is a device that has been configured with an IP address and is connected to the DCN, and the device to be online is a device that has not been configured with an IP address and is not connected to the DCN.
  • the management and control system is a device that can assign IP addresses to access devices.
  • the first device is also the device to be online
  • the second device is also the device that has been online
  • the first device and the second device may also be referred to as access devices, or They are respectively referred to as the access device to be online or the access device that has been online.
  • the third device is also a management and control system, or may also be referred to as a management and control device or a control device and the like.
  • Fig. 2 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present application; as shown in Fig. 2, the method includes:
  • Step 101 the first device sends a first message to the second device through a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and related information for the device to go online;
  • Step 102 the first device receives a third message from a third device through the second device, where the third message includes a management IP address allocated by the third device to the first device;
  • Step 103 The first device accesses a data communication network based on the management IP address.
  • the first device transmits the relevant information for the device going online through FlexE, MTN or SPN overhead frames, and transmits it to the third device through the second device (the second device has the ability to process and forward messages to the third device and proxy)
  • the device that is, the management and control system
  • the third device that is, the management and control system
  • Accessing the data communication network (DCN) realizes that the first device automatically obtains a management IP address, and automatically accesses the data communication network (DCN) based on the management IP address.
  • the first message is marked with a DCN channel identifier.
  • the DCN channel identifier may be a special virtual local area network (VLAN, Virtual Local Area Network) identifier, etc., to distinguish it from ordinary service packets .
  • the relevant information for the device going online included in the first message includes information required for the device to automatically go online.
  • the relevant information for going online of the device includes at least one of the following: MAC address, system name, system description information, IPv6 management address, and IPv4 management address of the device.
  • the relevant information for the device going online may further include device identification, device information, routing information, and the like.
  • the device information and routing information can be generated through Link Layer Discovery Protocol (LLDP, Link Layer Discovery Protocol) information or Open Shortest Path First (OSPF, Open Shortest Path First) protocol.
  • LLDP Link Layer Discovery Protocol
  • OSPF Open Shortest Path First
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the first device encodes the message into a 64-bit or 66-bit (64/66B) code block format, and uses the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port. transmission in one channel.
  • the packet is 64/66B encoded, it is inserted into the first channel of the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port for transmission.
  • the first message is transmitted through the fourth code block and the fifth code block in the overhead frame.
  • the first device may directly use the first channel of the section (Section) layer in the MTN overhead frame for transmission.
  • one MTN overhead frame includes 8 64/66bit blocks, one MTN overhead frame is inserted every 1023 MTN block blocks, and the above-mentioned first message passes through the fourth 64/66B code block and the fifth block in the MTN overhead frame. 64/66B code block transmission.
  • the first device may transmit a DCN message through an MTN overhead or an MTN client (MTN client).
  • MTN client MTN client
  • the message is transmitted through the MTN overhead (that is, the first channel); after the first device is connected to the network (that is, the device is online), the MTN client (MTN client) or MTN overhead transmission message.
  • the second device is an online device, the second device has the ability to process and forward messages to the third device, and transmit the first message to the third device;
  • the third device is a management and control system, which can be the first
  • the device assigns the management IP address, and transmits the management IP address to the first device through the second device through a third message.
  • the first device may modify the IP address to the management IP address, and access the data communication network based on the management IP address.
  • the method further includes: the first device receives an instruction from the third device, and switches the first device based on the instruction Two channels transmit DCN messages.
  • the first device accesses the data communication network (that is, after the first device goes online), it can switch to the second channel to transmit the DCN message based on the instruction of the third device, that is, the MTN overhead can be switched to the MTN client
  • the MTN client transmits DCN messages.
  • the third device may have the ability to detect whether the first device has a client (such as MTN client), that is, the ability to detect whether the first device is configured with a client (such as MTN client); if the third device detects The first device has a client (such as MTN client), that is, the first device is configured with a client (such as MTN client), then the third device can send an instruction to the first device, and the first device switches the second channel based on the instruction to transmit DCN information.
  • a client such as MTN client
  • MTN client such as MTN client
  • the DCN message in this embodiment may include a DCN channel identifier, a protocol (for example, Path Computation Element Protocol (PCEP, Path Computation Element Protocol), Link Layer Discovery Protocol (LLDP, Link Layer Discovery Protocol), Open Shortest Path Priority (OSPF, Open Shortest Path First protocol, Telemetry protocol, etc.), Netconf protocol configuration management interface, network element performance, alarms, etc.
  • PCEP Path Computation Element Protocol
  • LLDP Link Layer Discovery Protocol
  • OSPF Open Shortest Path Priority
  • Telemetry protocol Telemetry protocol
  • Netconf protocol configuration management interface for example, Path Computation Element Protocol (PCEP, Path Computation Element Protocol), Link Layer Discovery Protocol (LLDP, Link Layer Discovery Protocol), Open Shortest Path Priority (OSPF, Open Shortest Path First protocol, Telemetry protocol, etc.), Netconf protocol configuration management interface, network element performance, alarms, etc.
  • OSPF Open Shortest Path First protocol
  • Telemetry protocol Telemetry protocol
  • Netconf protocol configuration management interface for example, Network element performance, alarms, etc.
  • the method before the first device receives the instruction from the third device, the method further includes: the first device sends a message to the third device with the second device Channel-related confirmation messages.
  • the first device if it has a client (such as MTN client) or is configured with a client (such as MTN client), it can send a confirmation message to the third device; the third device can send a confirmation message to the first device based on the confirmation message Command for switching channels.
  • the method further includes: when the first device detects that the second channel is invalid or deleted, switching to the first channel to transmit the DCN message.
  • the first device when the first device detects that the transmission channel (that is, the second channel) of the MTN client is deleted or invalid, the first device may, according to locally generated notification information, such as loss of signal (LOS, Loss Of Signal) alarm, performance degradation alarm, etc., and automatically switch to the first channel (such as MTN overhead) to transmit DCN messages.
  • notification information such as loss of signal (LOS, Loss Of Signal) alarm, performance degradation alarm, etc.
  • FIG. 3 is a second schematic flowchart of a data transmission method according to an embodiment of the present application; as shown in FIG. 3 , the method includes:
  • Step 201 the second device receives a first message from the first device; the first message is carried by a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and related information for the device going online;
  • Step 202 The second device generates a second message based on the identification information of the second device, the related information for the device going online, and the neighbor information related to the first device, and sends the first message to the third device. two messages;
  • Step 203 The second device receives a third message from the third device, and forwards the third message to the first device, where the third message includes that the third device is the first device.
  • the second device is an online device. If the second device is the first access device in the data communication network, it can be connected to the data communication network by manually configuring the management IP address.
  • the first message is marked with a DCN channel identifier.
  • the DCN channel identifier may be a VLAN identifier, etc., to distinguish it from ordinary service packets.
  • the relevant information for the device going online included in the first message includes information required for the device to automatically go online.
  • the relevant information for the device going online includes at least one of the following: a media access control MAC address of the device, a system name, system description information, an IPv6 management address, and an IPv4 management address.
  • the relevant information for the device going online may further include device identification, device information, routing information, and the like.
  • the device information and routing information may be generated through LLDP information or OSPF protocol.
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the second device is similar to the first device, and the second device can also transmit DCN messages through an MTN overhead or an MTN client (MTN client).
  • MTN client MTN client
  • the second device is an online device, and can send the second message to the third device through the second channel (for example, MTN client).
  • the second channel is marked with a DCN channel identifier; exemplarily, the DCN channel identifier may be a special virtual local area network (VLAN, Virtual Local Area Network) identifier, etc., to distinguish it from ordinary service messages.
  • VLAN Virtual Local Area Network
  • the second message further includes a channel identifier (DCN channel identifier).
  • DCN channel identifier DCN channel identifier
  • the method further includes: the second device judging whether the first device is a registered neighbor node; if the first device is a registered neighbor node, obtaining Neighbor information related to the first device.
  • the second device can locally match whether it is a registered neighbor node.
  • the second device can find out whether neighbor information corresponding to the MAC address is stored locally according to the MAC address carried in the first message; if the neighbor information corresponding to the MAC address is stored, it indicates that the first device has The registered neighbor node, the second device obtains neighbor information related to the first device; correspondingly, if the neighbor information corresponding to the MAC address is not stored, it indicates that the first device is an unregistered neighbor node.
  • the method further includes: if the first device is an unregistered neighbor node, assigning a neighbor identifier to the first device, and generating a neighbor related to the first device information; wherein the neighbor information includes at least one of the following: the port index of the second device, the index of the first device, the first device identifier, the connection port identifier of the first device, the The IP address of the first device, the IPv6 management address of the first device, the IPv4 management address of the first device, the system name of the first device, and the system description information of the first device.
  • the second device generates the second message according to the identification information of the second device, the related information for the device going online, and the neighbor information related to the first device.
  • the identification information of the second device may be information such as the IP address and port identification of the second device.
  • the second message may include two parts of content, the first part of the content is the content of the first message, such as the content shown in Table 1, and the second part of the content is the content of the neighbor information, for example, may include the table. 2 shown.
  • the “local end” refers to the second device
  • the “peer end” refers to the opposite end relative to the second device
  • the “peer end” in this embodiment of the present application is the first device.
  • IPv6 management address (management-address-ipv6)
  • IPv4 management address (management-address-ipv4) are initial addresses before equipment goes online, and this initial address can be generated according to the MAC address of equipment.
  • the IPv6 management address has a total of 128 bits, the first 64 bits can be filled with 0, and the last 64 bits are mapped according to the MAC address. For example, the first 48 bits of the last 64 bits are mapped to the MAC address, and the last 64 bits The last 16 bits are filled with 1.
  • the second device receives the third message from the third device.
  • the second device also has a proxy function, and the proxy function includes but is not limited to a telnet mode, a Transmission Control Protocol (TCP, Transmission Control Protocol) four-layer channel mode, a Netconf client mode, and the like.
  • TCP Transmission Control Protocol
  • the second device establishes a temporary channel between the third device and the first device through the local TCP port, and maps the running port of the Netconf server of the first device to the local server of the third device.
  • the third device communicates with the Netconf server of the remote first device by accessing the local mapped port, thereby sending the management IP address to the first device.
  • FIG. 4 is a third schematic flowchart of a data transmission method according to an embodiment of the present application; as shown in FIG. 4 , the method includes:
  • Step 301 The third device receives a second message from the second device, where the second message includes: the identification information of the second device, the relevant information corresponding to the first device for the device to go online, and the first device. a device-related neighbor information;
  • Step 302 The third device assigns a management IP address to the first device, and sends a third message including the management IP address to the first device through the second device, and the management IP address is The first device is connected to a data communication network.
  • the third device is a management and control system, or may also be referred to as a management and control device, a control device, or the like.
  • the management and control system receives the second message, it creates a new network element for the first device, and allocates it to the first device according to the address planning rule (or the address planning method).
  • Manage IP addresses Exemplarily, the management and control system (the third device) queries the geographic location to which the port of the second device belongs by extracting the identification information of the second device (such as the IP address, port identifier, etc. of the online device) carried in the second message.
  • the location determines the IP address pool, and assigns a management IP address to the first device connected to the port.
  • the second message is marked with a DCN channel identifier.
  • the DCN channel identifier may be a VLAN identifier or the like, so as to be distinguished from ordinary service packets.
  • the second message further includes a channel identifier.
  • the relevant information for the device going online includes at least one of the following: a media access control (MAC) address of the device, a system name, system description information, an IPv6 management address, and an IPv4 management address.
  • MAC media access control
  • the neighbor information related to the first device includes at least one of the following: a port index of the second device, an index of the first device, an identifier of the first device, a connection of the first device Port identifier, IP address of the first device, IPv6 management address of the first device, IPv4 management address of the first device, system name of the first device, system description information of the first device .
  • the third device assigning a management IP address to the first device includes: the third device determining, according to the identification information of the second device, to which the second device belongs according to the area range, assign a management IP address to the first device from the corresponding management IP address set according to the area range.
  • the third device configures the management IP address set in advance according to the area scope.
  • FIG. 5 is an example diagram of a management IP address in an embodiment of the present application.
  • the management IP address includes 4/8 bits to indicate an area or network level identifier, and the identifier corresponds to a corresponding area range.
  • the third device queries the geographic location to which the second device belongs according to the identification information of the second device (for example, the IP address of the second device, port identifier, etc.)
  • One management IP address is selected from the address set as the management IP address allocated to the first device.
  • a third message including the management IP address is sent to the first device through the second device.
  • the third device receives the online notification (ie, the second message) of the newly online network element (ie, the first device), and obtains the default network element IP of the newly online network element (generated automatically by default) and the neighbor network element (ie, the first device).
  • the NE IP of the second device If the neighbor network element does not have the port forwarding function enabled, the third device delivers a command to enable port forwarding to the neighbor network element.
  • the third device applies for an independent available TCP port (for example: PortL) for each newly online network element.
  • the third device performs local configuration, establishes an SSH tunnel from the local PortL to the neighbor NE, and implements the SSH port forwarding channel from the local PortL to the newly online NE PortR (Server port 830 defined by Netconf).
  • the third device establishes a Netconf session with the newly added network element by accessing localhost:PortL, and completes the modification of the IP address of the network element according to the plan.
  • the third device is configured locally, the TCP port is released, and the SSH port forwarding channel to the newly online NE is removed.
  • the third device determines that if no SSH tunnel passes through the neighbor network element, it issues a command to disable the port forwarding function to the neighbor network element.
  • the method further includes: receiving, by the third device, an acknowledgement message related to the second channel from the first device; sending an acknowledgement message to the first device based on the acknowledgement message.
  • a device sends an instruction, where the instruction is used by the first device to switch the first channel to transmit the DCN message.
  • the first device if it has a client (such as MTN client) or is configured with a client (such as MTN client), it can send a confirmation message to the third device; the third device can send a confirmation message to the first device based on the confirmation message Command for switching channels.
  • FIG. 6 is a schematic diagram 1 of the composition structure of a data processing apparatus according to an embodiment of the present application; as shown in FIG. 6 , the apparatus includes: a first communication unit 11 and an access unit 12; wherein,
  • the first communication unit 11 is configured to send a first message to the second device through a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and related information used for the device to go online; it is also configured to send a first message to the second device through the The second device receives a third message from a third device, where the third message includes a management IP address allocated by the third device to the first device;
  • the access unit 12 is configured to access the data communication network based on the management IP address.
  • the relevant information for the device going online includes at least one of the following: the device's MAC address, system name, system description information, IPv6 management address, and IPv4 management address.
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the first message is transmitted through the fourth code block and the fifth code block in the overhead frame.
  • the first communication unit 11 is further configured to receive an instruction from the third device, and switch the second channel to transmit the DCN message based on the instruction.
  • the first communication unit 11 is further configured to send a confirmation message related to the second channel to the third device before receiving the instruction from the third device .
  • the apparatus further includes a switching unit 13 configured to switch to the first channel to transmit the DCN message when detecting that the second channel is invalid or deleted.
  • the apparatus is applied to the first device.
  • the access unit 12 and the switching unit 13 in the device can be composed of a central processing unit (CPU, Central Processing Unit), a digital signal processor (DSP, Digital Signal Processor), a microcontroller unit (MCU, Microcontroller) in practical applications. Unit) or Programmable Gate Array (FPGA, Field-Programmable Gate Array);
  • the first communication unit 11 in the device can be implemented through a communication module (including: a basic communication suite, an operating system, a communication module in practical applications) , standardized interfaces and protocols, etc.) and transceiver antenna implementation.
  • FIG. 7 is a second schematic diagram of the composition and structure of a data processing apparatus according to an embodiment of the present application; as shown in FIG. 7 , the apparatus includes: a second communication unit 21 , a first processing unit 22 and a third communication unit 23 ; wherein,
  • the second communication unit 21 is configured to receive a first message from a first device; the first message is carried by a FlexE, MTN or SPN overhead frame; the first message includes a DCN channel identifier and a message for the device to go online. Related Information;
  • the first processing unit 22 is configured to generate a second message based on the identification information of the second device, the related information for the device going online, and the neighbor information related to the first device;
  • the third communication unit 23 is configured to send a second message to the third device; and is also configured to receive a third message from the third device, where the third message includes that the third device is the A management IP address allocated by the first device, where the management IP address is used by the first device to access a data communication network;
  • the second communication unit 21 is further configured to forward the third message to the first device.
  • the first message is transmitted through the first channel in the FlexE overhead frame of the FlexE port, the MTN overhead frame of the MTN port, or the SPN overhead frame of the SPN port.
  • the apparatus further includes a second processing unit configured to determine whether the first device is a registered neighbor node; if the first device is a registered neighbor node, Obtain neighbor information related to the first device.
  • the second processing unit is further configured to, if the first device is an unregistered neighbor node, assign a neighbor identifier to the first device, and generate the first device Device-related neighbor information; wherein the neighbor information includes at least one of the following: a port index of the second device, an index of the first device, an identifier of the first device, and a connection port of the first device identifier, the IP address of the first device, the IPv6 management address of the first device, the IPv4 management address of the first device, the system name of the first device, and the system description information of the first device.
  • the relevant information for the device going online includes at least one of the following: a media access control MAC address of the device, a system name, system description information, an IPv6 management address, and an IPv4 management address.
  • the apparatus is applied to the second device.
  • the first processing unit 22 and the second processing unit in the device can be implemented by CPU, DSP, MCU or FPGA in practical applications; the second communication unit 21 and the third communication unit 23 in the device are practically implemented.
  • the communication module including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.
  • the transceiver antenna can be used.
  • FIG. 8 is a schematic diagram 3 of the composition structure of a data processing apparatus according to an embodiment of the application; as shown in FIG. 8 , the apparatus includes: a fourth communication unit 31 and a distribution unit 32 ; wherein,
  • the fourth communication unit 31 is configured to receive a second message from a second device, where the second message includes: identification information of the second device, and related information corresponding to the first device and used for device online neighbor information related to the first device;
  • the assigning unit 32 is configured to assign a management IP address to the first device; the management IP address is used for the first device to access a data communication network;
  • the fourth communication unit 31 is further configured to send a third message including the management IP address to the first device through the second device.
  • the second message further includes a channel identifier.
  • the allocating unit 32 is configured to determine, according to the identification information of the second device, the area range to which the second device belongs, and according to the area range, select the corresponding management IP address from the corresponding management IP address.
  • the set assigns a management IP address to the first device.
  • the relevant information for the device going online includes at least one of the following: the device's MAC address, system name, system description information, IPv6 management address, and IPv4 management address.
  • the neighbor information related to the first device includes at least one of the following: a port index of the second device, an index of the first device, an identifier of the first device, The connection port identifier of the first device, the IP address of the first device, the IPv6 management address of the first device, the IPv4 management address of the first device, the system name of the first device, the System description information of the first device.
  • the fourth communication unit 31 is further configured to receive a confirmation message related to the second channel from the first device; A device sends an instruction, where the instruction is used by the first device to switch the first channel to transmit the DCN message.
  • the apparatus is applied to a third device.
  • the distribution unit 32 in the device can be implemented by CPU, DSP, MCU or FPGA in practical applications;
  • the fourth communication unit 31 in the device can be implemented through a communication module (including: basic communication suite, Operating system, communication modules, standardized interfaces and protocols, etc.) and transceiver antenna implementation.
  • FIG. 9 is a schematic diagram of the hardware structure of a communication device according to an embodiment of the application.
  • the communication device includes a memory 42, a processor 41, and a computer program stored in the memory 42 and running on the processor 41, When the processor 41 executes the program, the steps of the foregoing data transmission method applied to the first device, the second device, or the third device in the embodiments of the present application are implemented.
  • the communication device further includes one or more network interfaces 43 .
  • the various components in the communication device may be coupled together by the bus system 44 .
  • the bus system 44 is used to implement the connection communication between these components.
  • the bus system 44 also includes a power bus, a control bus and a status signal bus.
  • the various buses are labeled as bus system 44 in FIG. 9 .
  • the memory 42 may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory.
  • the non-volatile memory can be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-only memory) Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, ferromagnetic random access memory), Flash Memory (Flash Memory), Magnetic Surface Memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory); magnetic surface memory can be disk memory or tape memory.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • SSRAM Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Type Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 42 described in the embodiments of the present application is intended to include, but not limited to, these and any other suitable types of memory.
  • the methods disclosed in the above embodiments of the present application may be applied to the processor 41 or implemented by the processor 41 .
  • the processor 41 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by a hardware integrated logic circuit in the processor 41 or an instruction in the form of software.
  • the above-mentioned processor 41 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the processor 41 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of this application.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 42, and the processor 41 reads the information in the memory 42, and completes the steps of the foregoing method in combination with its hardware.
  • the communication device may be implemented by one or more Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD, Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, Microprocessor (Microprocessor), or other electronic components implemented for performing the aforementioned method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal processor
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA general-purpose processor
  • controller MCU
  • Microprocessor Microprocessor
  • the embodiment of the present application further provides a computer-readable storage medium, such as a memory 42 including a computer program, and the computer program can be executed by the processor 41 of the communication device to complete the steps of the foregoing method.
  • the computer-readable storage medium can be memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; it can also be various devices including one or any combination of the above memories.
  • Embodiments of the present application further provide a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the aforementioned embodiments of the present application applied to the first device, the second device, or the third device.
  • the steps of the data transfer method are not limited to:
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms. of.
  • the unit described above as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may all be integrated into one processing unit, or each unit may be separately used as a unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented either in the form of hardware or in the form of hardware plus software functional units.
  • the aforementioned program can be stored in a computer-readable storage medium, and when the program is executed, execute It includes the steps of the above method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other media that can store program codes.
  • the above-mentioned integrated units of the present application are implemented in the form of software function modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.
  • the computer software products are stored in a storage medium and include several instructions for A computer device (which may be a personal computer, a server, or a network device, etc.) is caused to execute all or part of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk or an optical disk and other mediums that can store program codes.

Abstract

Sont divulgués dans les modes de réalisation de la présente demande un procédé et un appareil de transmission de données, un système, et un dispositif de communication. Le procédé comprend les étapes suivantes : au moyen d'une trame de surdébit Ethernet flexible (FlexE), de réseau de transport métropolitain (MTN) ou de réseau de paquets en tranches (SPN), un premier dispositif envoie un premier message à un second dispositif, le premier message comprenant un identifiant de canal de réseau de communication de données (DCN) et des informations associées pour que les dispositifs puissent se connecter ; au moyen du second dispositif, réception d'un troisième message en provenance d'un troisième dispositif, le troisième message comprenant une adresse IP de gestion attribuée au premier dispositif par le troisième dispositif ; et, sur la base de l'adresse de protocole Internet (IP) de gestion, accès au réseau de communication de données.
PCT/CN2022/085653 2021-04-25 2022-04-07 Procédé et appareil de transmission de données, système, et dispositif de communication WO2022228078A1 (fr)

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